Caulking tube cap



FIG. 1 is an isometric view of a caulking tube cap showing my new design;

FIG. 2 is a front elevation view thereof, the left side, right side, and rear views being identical thereto;

FIG. 3 is a top plan view of the caulking tube cap of FIG. 1; and,

FIG. 4 is a bottom plan view thereof. 

CLAIM The ornamental design for a caulking tube cap, as shown and described. 